A one-pot synthesis of Fe-doped cryptomelane type octahedral molecular sieve manganese oxide for degradation of methylene blue dyeAmir Awaluddin, Riska Anggraini, Siti Saidah Siregar, Muhdarina and PrasetyaMATEC Web Conf., 276 (2019) 06005DOI: https://doi.org/10.1051/matecconf/201927606005